水平中央隔涡板透空形式对分体箱梁涡振响应的影响

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振动与冲击 ›› 2023, Vol. 42 ›› Issue (19) : 104-109.

论文

童俊豪1，朱青2,3,4，朱乐东2,3,4，檀忠旭2,3,4

作者信息 +

Effects of horizontal central vortex isolation plates with different openings on VIV of twin-box girder

TONG Junhao1, ZHU Qing2,3,4, ZHU Ledong2,3,4, TAN Zhongxu2,3,4

Author information +

文章历史 +

摘要

分体箱梁断面因其优异的颤振性能近年来在大跨度缆索承重桥梁中多有应用。对涡振问题比较严重的分体箱梁，采用气动措施削弱开槽处的大尺度漩涡是控制涡振的最有效手段。本文通过大比例节段模型风洞试验，对比了不同形式水平隔涡板对分体箱梁的涡振控制效果。比较结果显示：在透空率接近的情况下，采用两侧水平隔涡板比各种打孔板的涡振控制效果都要好，如果要采用打孔板达到两侧水平板近似的涡振效果，透空率需要再减小26%左右；如果采用打孔板，板上的孔越是不均匀，涡振控制效果越好，而孔的形状对涡振影响不大。

Abstract

Twin-box girders have been widely used in long-span cable-supported bridges for their excellent performance against flutter. Using aerodynamic counter-measures to weaken the large vortices in the slotting is the most effective way to control the vibration for twin-box decks that suffer vortex-induced vibration (VIV). This paper compares the effects of central horizontal plates with different openings on the VIV of a twin-box girder through wind tunnel tests on a large-scale sectional model. The results show that twin-side plates have the best VIV control effects with a similar opening rate. Plates with other types of openings can reach the same level of control effects as the twin-side plates with about 26% less opening rate and among such plates, unevenly distributed openings have better VIV control effects.

导出引用

童俊豪1，朱青2,3,4，朱乐东2,3,4，檀忠旭2,3,4. 水平中央隔涡板透空形式对分体箱梁涡振响应的影响[J]. 振动与冲击, 2023, 42(19): 104-109

TONG Junhao1, ZHU Qing2,3,4, ZHU Ledong2,3,4, TAN Zhongxu2,3,4. Effects of horizontal central vortex isolation plates with different openings on VIV of twin-box girder[J]. Journal of Vibration and Shock, 2023, 42(19): 104-109

参考文献

[1] Seo, J. W., Kim, H. K., Park, J., Kim, K. T., Kim, G. N. Interference effect on vortex-induced vibration in a parallel twin cable-stayed bridge[J]. J. Wind Eng. Ind. Aerodyn., 2013, 116: 7−20.
[2]Li, H., Laima, S., Ou, J., Zhao, X., et al. Investigation of vortex-induced vibration of a suspension bridge with two separated steel box girders based on field measurements[J]. Eng. Struct., 2011, 33(6): 1894-1907.
[3] 李永乐,陈科宇,汪斌,孙浩.钝体分离式双箱梁涡振优化措施研究[J]. 振动与冲击, 2018, 37(7):116-122.
LI Yong-le, CHEN Ke-yu, WANG Bin, SUN Hao. Optimal measures for vortex-induced vibration of a bluff girder with separated twin-box [J]. Journal of Vibration and Shock, 2018, 37(7):116-122.
[4] 夏锦林,曹丰产,葛耀君. 双开槽箱梁断面悬索桥的抗风性能及气动措施研究[J]. 振动与冲击, 2017, 36(10): 69-75.
XIA Jin-lin, CAO Feng-chan, GE Yao-jun. Wind resistance performance of a double-slotting suspension bridge and its aerodynamic control [J]. Journal of Vibration and Shock, 2017, 36(10): 69-75.
[5]杨詠昕,周锐,葛耀君. 大跨度分体箱梁桥梁涡振性能及其控制[J]. 土木工程学报, 2014, 47(12): 107-114.
YANG Yong-xin, ZHOU Rui, GE Yao-jun. Vortex-induced vibration and its control for long-span bridges with twin-box girder [J]. China Civil Engineering Journal, 2014, 47(12): 107-114.
[6]廖海黎,王昌将. 西堠门大桥成桥及施工状态下的空气动力特性研究[J]. 公路, 2009(01): 24-30.
LIAO Hai-li, WANG Chang-jiang. Aerodynamic performance of the Xihoumen Bridge in service and construction states [J]. Highway, 2009(01): 24-30.
[7]何晗欣,李加武,周建龙. 中央开槽箱形断面斜拉桥的涡激振动试验与分析[J]. 桥梁建设, 2012, 42(02): 34-40.
HE Han-xin, LI Jia-wu, ZHOU Jian-long. Testing and Analysis of Vortex-Excited Vibration of Central Slotted Box Section Cable-Stayed Bridge [J]. Bridge Construction, 2012, 42(02): 34-40.
[8]王骑, 林道锦, 廖海黎,等. 分体式钢箱梁涡激振动特性及制振措施风洞试验研究[J]. 公路, 2013(7):6.
WANG, Qi, LIN Dao-jin, LIAO Hai-li, et al. Wind tunnel investigation on vortex-induced vibration and contral measures of twin-box decks [J]. Highway, 2013(7):6.
[9]张天翼,孙延国,李明水,廖海黎. 宽幅双箱叠合梁涡振性能及抑振措施试验研究[J]. 中国公路学报, 2019, 32(10): 107-114+168.
ZHANG Tian-yi, SUN Yan-guo. LI Ming-shui. LIAO Hai-li. Experimental Study on Vortex-induced Vibration Performance and Aerodynamic Countermeasures for a Wide-width Double-box Composite Beam [J]. China Journal of Highway and Transport, 2019, 32(10): 107-114+168.
[10]马存明,王俊鑫,罗楠,李泓玖,廖海黎. 宽幅分体箱梁涡振性能及其抑振措施[J]. 西南交通大学学报, 2019, 54(04): 724-730.
MA Cun-ming, WANG Jun-xin, LUO Nan, LI Hong-jiu, LIAO Hai-li. Vortex-Induced Vibration Performance and Control Measures of Wide Twin-Box Girder [J]. Journal of Southwest Jiaotong University, 2019, 54(04): 724-730.
[11]潘放. 黄茅海跨海通道总体方案及创新技术[J]. 桥梁建设, 2021, 51(04): 10-16.
PAN Fang. Overall Design and Innovation of Huangmaohai Link Project [J]. Bridge Construction, 2021, 51(04): 10-16.
[12]杨詠昕,周锐,罗东伟,葛耀君. 不同槽宽分体箱梁桥梁的涡振及其控制措施[J]. 工程力学, 2017, 34(07): 30-40.
YANG Yong-xin, ZHOU Rui, LUO Dong-wei, GE Yao-jun. Vortex-induced vibration and its control for twin box girder bridges with various slot widths [J]. Engineering Mechanics, 2017, 34(07): 30-40.
[13]朱乐东. 桥梁涡激共振试验节段模型质量系统模拟与振幅修正方法[J]. 工程力学, 2005, 22(5):6.
ZHU Le-dong. Mass simulation and amplitude conversion of bridge sectional model test for vortex-excited resonance [J]. Engineering Mechanics, 2005, 22(5):6.
[14] JTG/T 3360-01-2018. 公路桥梁抗风设计规范[S]. 北京：人民交通出版社, 2018.
JTG/T 3360-01-2018. Wind-resistant Design Specification for Highway Bridges [S]. Beijing: China communications press, 2018.